Add new assets and implement minimap functionality

- Added new image assets for game over screens: `game_over_dead_bg.png`, `game_over_victory_bg.png`, and their respective Aseprite files.
- Introduced a new `Minimap` class to manage torch placement and rendering on the minimap.
- Implemented methods for adding and removing torches, updating the grid area, and drawing the minimap based on the current state of the game.
- Enhanced the minimap display with color coding for walls, empty spaces, and torches.

game/hud/layer.rb

@@ -1,6 +1,7 @@
 require_relative "inventory"
 require_relative "health"
 require_relative "logs"
+require_relative "minimap"
 
 class HUDLayer
   def initialize
@@ -9,6 +10,9 @@ class HUDLayer
     @inventory = Inventory.new
     @health = HealthBar.new(100)
     @logs = GameLogger.new
+    @minimap = Minimap.new
+
+    @direction_sprite = Gosu::Image.new("assets/images/direction.png", retro: true)
 
     $bus.on(:enemy_attack) do |damage|
       @health.take_damage(damage)
@@ -26,6 +30,19 @@ class HUDLayer
     @health.draw
     @logs.draw
 
+    player_x, player_y = $bus.get(:player_position) || [0, 0]
+    tile_x = ((player_x - 90) / 120).round
+    tile_y = ((player_y - 90) / 120).round
+    center_x = tile_x * 2 + 1
+    center_y = tile_y * 2 + 1
+    @minimap.draw(center_x, center_y)
+
+    if $bus.get(:radar_triangulation?, player_x, player_y)
+      exit_x, exit_y = $bus.get(:exit_room_coords) || [0, 0]
+      angle_to_exit = Math.atan2(exit_y - tile_x, exit_x - tile_y) * 180 / Math::PI
+      @direction_sprite.draw_rot(SCREEN_SIZE[0] / 2, SCREEN_SIZE[1] / 2, Float::INFINITY, angle_to_exit, 0.5, 0.5, 5, 5)
+    end
+
     @hud_fg.draw(0, 0, Float::INFINITY)
   end